247465935

素因数分解:

$3^4\times 5^1\times {\mathrm{611027}}^1$

素因数の和:611044

約数の個数: 20

約数和(自身を含む): 443606328

約数和(自身を除く): 196140393

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 611027, 1833081, 3055135, 5499243, 9165405, 16497729, 27496215, 49493187, 82488645, 247465935]

約数ペア:

[(1, 247465935), (3, 82488645), (5, 49493187), (9, 27496215), (15, 16497729), (27, 9165405), (45, 5499243), (81, 3055135), (135, 1833081), (405, 611027)]